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Used
2023 GMC Sierra 1500 trucks
for sale
near
Denver, CO
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.






Used
2023 GMC Sierra 1500 Denali






Used
2023 GMC Sierra 1500 AT4X
Vehicle information
Features
Reviews
Service was as expected.
Service was as expected. The rep was friendly and kept me informed regarding the progress of my service. I am very pleased. Thanks
"THE" GMC Truck!
I have a 2023 GMC Sierra 1500 Denali with the 3.0 Diesel engine. I have 20,000 miles on it at the time of writing this. Never owned a diesel before and now i don't think i will own another one without it. I LOVE the engine in this truck. Only complaint would be that it likes DEF fluid while towing so pick up some extra DEF before you head out to tow something. Put about 8K miles on it this summer without adding any DEF fluid. seems to use a little more in the winter or when towing. Very quiet for a deisel and the fuel economy is awesome. Driving 70 mph down the freeway this truck gets about 30mpg, Drive 55mph on regular highways and this truck gets almost 40mpg. All around driving for me is about 26mpg. I used to fill up twice a week with my gas motor and now only once a week. Wireless Apple Carplay works great and the voice texting and mapping is a big plus. I also have the new SuperCruise feature which is awesome. Get on the freeway and set the supercruise on and the truck drives itself until i get to my exit (about 28 miles from home to work). Bose stereo is out of this world and all the storage is great to. I have a swingout bed toolbox, aluminum roll up tonneau cover, Lighted black GMC front emblem, Gloss Black 22" wheels, All Black decals and my dual exhaust bezels are black as well. I rotate the tires and change the oil every 5,000 miles. Couldn't ask for a better truck. Might get the ultimate next time as that has the messaging seats which i kinda wish I had.






Used
2023 GMC Sierra 1500 Denali Ultimate
Vehicle information
Features
Reviews
My advisor Adam was great and my oil change was fast.
My advisor Adam was great and my oil change was fast. I was updated during the process about suggestions for my car an I was able to accept them or deny them through a link with the text message they sent me.
Just wondering
Does anybody else’s truck just sit there after you put it drive? I have to bump the accelerator to have it go into gear. ??????????????????????????????????????????? ?????????????






Used
2023 GMC Sierra 1500 Denali Ultimate
Vehicle information
Features
Reviews
They found the vehicle I was looking for.
They found the vehicle I was looking for. The purchasing process was fast, fair and comfortable. Will use them again with next purchase. Highly recommended.
Amazing Truck
Excellent comfort and very good truck, it is very functional in every way, both for business and for personal, it can be said that I have the 2.7L Turbo engine and I can move up to 11500Lbs already checked by me






Used
2023 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Rafeal was my contact there and he was great.
Rafeal was my contact there and he was great. He went above and beyond to communicate share photos and video and was very transparent. As a matter of fact the whole process and everyone was easy to work with. Not the dealer where sale and sale manager go back and forth to do some crazy negotiating. Open transparent and fair dealing. Rafeal was an advocate throughout and in and out with anew car well less than an hr after trade in paperwork






Used
2023 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
My wonderful car buying experience
I was very pleased with the vehicle I was able to purchase at Grand Valley Auto Lakewood! I had less than perfect credit after being left carless in my divorce. My friends had recently purchased a car from Mike and Kelley and they assured me I would be treated honestly and fairly. I was very skeptical due to the fact that I had recently been taken advantage of on the purchase of my new TV. They listened to my wants and needs and I left in a car that I both loved and knew would do the job. I would definitely recommend and return for my next vehicle purchase!






Used
2023 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Bought my truck from STEVINSON.
Bought my truck from STEVINSON. Excellent service department, never had an issue. Work with Ian, he is phenomenal to work with. Definitely the best advisor they have!






Used
2023 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Seamless experience
Amazing experience .super patient and no hassle team, completely transparent Charles and Rick took good care of us! I would go back there again with my next purchase






Used
2023 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Lifelong customer
If I could rate my experience with 100 stars I would! This dealership does not pay on commission which made the whole experience less stressful and they have a great inventory along with a great staff. My husband and I went to this dealership because they had all the vehicles I was interested in test driving. When we arrived we were greeted by Vanessa. Let me tell you how lucky we were to have her. She is so caring, enthusiastic, took pride in her work and was never pushy. Once we narrowed it down to purchasing a 2021 Ford bronco she was very thorough in explaining everthing as we went through the paperwork and options. I feel like I gained a friend after working with Vanessa. Even after I bought the bronco she continued to text me to make sure everything was alright and even mailed us a thank you card, which I greatly appreciated. Then during our purchase, we were blessed with Tyler who jumped in to help. He knew everything about broncos and sat with us for over an hour pointing out the different features and answering my 5 million questions. He also assisted us in getting the ford pass app set up on our phone. I highly recommend this dealership to anyone whether you are interested in buying or still trying to determine what you want to buy! Thank you again to Vanessa and Tyler for all your help, guidance and providing us with outstanding customer service. You have gained a life long customer. Mishala & Steve






GMC Certified
2023 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
I worked with Seth Caldiero and he helped to make buying
I worked with Seth Caldiero and he helped to make buying experience very seamless and a low pressure event.






Used
2023 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Jenny Rose is the best service advisor that we?
Jenny Rose is the best service advisor that we?ve ever had. She made sure that all repairs were completed thoroughly and quickly. We will continue to get our Tahoe serviced here.




Used
2023 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
It was an excellent experience.
It was an excellent experience. I would recommend this dealership to anybody who’s trying to buy a car.






Used
2023 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Outstanding experience.
Outstanding experience. Christopher, our sales rep was incredible. This is our second Outlander we have purchased from him in under a year.






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Austin Ellenberg helped us find the exact Buick Enclave
Austin Ellenberg helped us find the exact Buick Enclave that we wanted. He was very nice to work with and patiently helped us understand all the new features on the 2025 car. His explanations of everything were excellent, and we appreciate his offer to talk with us again about any new questions that we come up with. We also appreciate that he had a new battery installed before we took possession of the car, since the previous extreme cold temperatures had run down the battery while the car was on the lot.






Used
2023 GMC Sierra 1500 Denali Ultimate
Vehicle information
Features
Reviews
DJ was my salesman and he did an amazing job!
DJ was my salesman and he did an amazing job! I highly recommend going to Alpine Buick. The Facility is beautifully represented. Always eager to help.






Used
2023 GMC Sierra 1500 Denali Ultimate
Vehicle information
Features
Reviews
Rafael H was very attentive to what we were looking for
Rafael H was very attentive to what we were looking for in a clean used diesel p up . His assistance in our purchase with our purchase was very good . professional, not pushy Gerald & Kay Schreiber






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Highly Recommended
Brandon was amazing! Was easiest car buying process ever! Will definitely return and highly recommended! Thanks! Do yourselves a favor and go to McDonald Hyundai!






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Fair and trustworthy!
Shortline was a great experience buying a new truck. They were up front and explained all options and answered all my questions. Proce was fair for the market and no hidden costs! Very happy wity my experience and will recommend to anyone!






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Graham was nice and easy to work with.
Graham was nice and easy to work with. I got a good deal on my new truck and a good trade in price on my old truck.






Used
2023 GMC Sierra 1500 AT4X
Vehicle information
Features
Reviews
Best Experience Ever
Brice and James were amazing? Best experience ever!
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GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2026 GMC Sierra 1500 | $44,344 | |
2025 GMC Sierra 1500 | $39,548 | 3 Good deals |
2024 GMC Sierra 1500 | $37,987 | 27 Good deals |
2022 GMC Sierra 1500 | $30,866 | 21 Good deals |
2021 GMC Sierra 1500 | $27,991 | 20 Good deals |
2020 GMC Sierra 1500 | $26,777 | 18 Good deals |
2019 GMC Sierra 1500 | $20,999 | 7 Good deals |
2018 GMC Sierra 1500 | $19,371 | 5 Great deals |
About the 2023 GMC Sierra 1500
Pro shown (base trim).
- Seating
- 2
- Door count
- 2
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 20
- Transmission
- 8-Speed A/T
- Engine
- 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel)

How much does the 2023 GMC Sierra 1500 cost?
The 2023 GMC Sierra 1500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2023 Sierra 1500 is $49,406, with pricing starting at $22,900.
What is the MPG of the 2023 GMC Sierra 1500?
The 2023 GMC Sierra 1500 offers up to 19 MPG in city driving and 22 MPG on the highway for a combined rating of 20 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.
Is the 2023 GMC Sierra 1500 reliable?
The 2023 GMC Sierra 1500 has an average reliability rating of 4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2023 Sierra 1500 owners.
Is the 2023 GMC Sierra 1500 a good truck?
Below are the Cars.com consumer ratings for the 2023 GMC Sierra 1500.
- Comfort 4.8
- Interior 4.4
- Performance 4.2
- Value 3.8
- Exterior 4.6
- Reliability 4.0
75% of drivers recommend this car
- Comfort 4.8
- Interior 4.4
- Performance 4.2
- Value 3.8
- Exterior 4.6
- Reliability 4.0
AT4 (2 styles)
Style | |
---|---|
4WD Crew Cab 157" AT4 | 4WD Crew Cab 147" AT4 |
Inventory price | |
Starting at $67,000 | Starting at $66,700 |
Combined MPG | |
24 | 24 |
Engine | |
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
AT4X (1 style)
Style |
---|
4WD Crew Cab 147" AT4X |
Inventory price |
Starting at $81,700 |
Combined MPG |
15 |
Engine |
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
Denali (3 styles)
Style | ||
---|---|---|
2WD Crew Cab 147" Denali | 4WD Crew Cab 147" Denali | 4WD Crew Cab 157" Denali |
Inventory price | ||
Starting at $65,700 | Starting at $69,000 | Starting at $69,500 |
Combined MPG | ||
18 | 17 | 17 |
Engine | ||
305.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Diesel Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
Denali Ultimate (1 style)
Style |
---|
4WD Crew Cab 147" Denali Ultimate |
Inventory price |
Starting at $82,100 |
Combined MPG |
17 |
Engine |
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
Elevation (7 styles)
Style | ||||||
---|---|---|---|---|---|---|
2WD Crew Cab 147" Elevation | 4WD Crew Cab 147" Elevation w/3VL | 4WD Crew Cab 147" Elevation w/3SB | 4WD Crew Cab 157" Elevation | 4WD Double Cab 147" Elevation w/3SB | 4WD Double Cab 147" Elevation w/3VL | 2WD Double Cab 147" Elevation |
Inventory price | ||||||
Starting at $54,500 | Starting at $56,300 | Starting at $57,800 | Starting at $58,100 | Starting at $55,200 | Starting at $53,700 | Starting at $51,900 |
Combined MPG | ||||||
20 | 19 | 19 | 19 | 19 | 19 | 20 |
Engine | ||||||
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) |
Pro (9 styles)
Style | ||||||||
---|---|---|---|---|---|---|---|---|
4WD Crew Cab 147" Pro | 4WD Crew Cab 157" Pro | 2WD Crew Cab 147" Pro | 4WD Double Cab 147" Pro | 2WD Double Cab 147" Pro | 2WD Reg Cab 140" Pro | 4WD Reg Cab 140" Pro | 2WD Reg Cab 126" Pro | 4WD Reg Cab 126" Pro |
Inventory price | ||||||||
Starting at $46,100 | Starting at $46,400 | Starting at $42,800 | Starting at $43,700 | Starting at $40,400 | Starting at $37,300 | Starting at $41,900 | Starting at $37,100 | Starting at $41,700 |
Combined MPG | ||||||||
17 | 17 | 20 | 17 | 20 | 16 | 16 | 20 | 19 |
Engine | ||||||||
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLE (5 styles)
Style | ||||
---|---|---|---|---|
4WD Double Cab 147" SLE | 2WD Double Cab 147" SLE | 4WD Crew Cab 147" SLE | 4WD Crew Cab 157" SLE | 2WD Crew Cab 147" SLE |
Inventory price | ||||
Starting at $53,500 | Starting at $50,200 | Starting at $55,900 | Starting at $56,200 | Starting at $52,600 |
Combined MPG | ||||
17 | 20 | 17 | 17 | 20 |
Engine | ||||
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLT (3 styles)
Style | ||
---|---|---|
4WD Crew Cab 147" SLT | 4WD Crew Cab 157" SLT | 2WD Crew Cab 147" SLT |
Inventory price | ||
Starting at $59,000 | Starting at $59,500 | Starting at $55,900 |
Combined MPG | ||
16 | 16 | 18 |
Engine | ||
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 305.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Diesel Fuel) |
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
Research the 2023 GMC Sierra 1500
Compare the 2023 GMC Sierra 1500
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This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.